Some of these include Poria Fruit, nettle leaves, nettle roots, prostastream cinnamon bark, alisma rhizome, prepared rehmannia root and cornus fruit. If you are someone who has a family history of prostate problems, this is especially important. It is the prostate that needs and uses zinc a lot compared to other parts of your body. For being in the peak of health and having a healthy prostate, it is often necessary to have the right kind of supplements, known as prostastreams.